Transform the equation by rotating the axes through the given angle. Identify the curve.x2 - xy + y2 = 5; ? = 45°

A.  +  = 1; ellipse
B. x'2 + y'2 = 25; ellipse
C.  +  = 1; ellipse
D. x'2 - y'2 = 5; hyperbola

Answer: C

Mathematics

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